Commit c3b6a1d3 authored by Quinn Tran's avatar Quinn Tran Committed by Martin K. Petersen

scsi: qla2xxx: Fix unbound sleep in fcport delete path.

There are instances, though rare, where a LOGO request cannot be sent out
and the thread in free session done can wait indefinitely. Fix this by
putting an upper bound to sleep.

Link: https://lore.kernel.org/r/20190912180918.6436-3-hmadhani@marvell.comSigned-off-by: default avatarQuinn Tran <qutran@marvell.com>
Signed-off-by: default avatarHimanshu Madhani <hmadhani@marvell.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 248a445a
......@@ -1020,6 +1020,7 @@ void qlt_free_session_done(struct work_struct *work)
if (logout_started) {
bool traced = false;
u16 cnt = 0;
while (!READ_ONCE(sess->logout_completed)) {
if (!traced) {
......@@ -1029,6 +1030,9 @@ void qlt_free_session_done(struct work_struct *work)
traced = true;
}
msleep(100);
cnt++;
if (cnt > 200)
break;
}
ql_dbg(ql_dbg_disc, vha, 0xf087,
......
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